Warning Vector

Flash Flood Warning

NWS Tucson AZ ยท US

New
This event was updated at .

Details

Flash Flood Warning Issued September 16 At 11:06AM MST Until September 16 At 2:00PM MST By NWS Tucson AZ

Event
Flash Flood Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... North Central Pima County in southeastern Arizona... * Until 200 PM MST. * At 1106 AM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Hazard

Flash flooding caused by thunderstorms.

Source

Radar indicated.

Impacts

Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... San Pedro, Queens Well, Santa Rosa Ranch and Pan Tak. This includes Route 86 between mile markers 135 and 139. This includes the following streams and drainages... Aguirre Wash, Anegan Wash, Viopuli Wash, Pan Tak Wash, House Wash, Sil Nakya Wash, Mendoza Wash and San Vicente Wash.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall.

Affected areas

  • Pima County, AZ

Public contact

Issuer
NWS Tucson AZ

Message record

Received
Issue to receipt
~40s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2NPCG8RH2SAY5YN68P46EAE
Identifier
urn:oid:2.49.0.1.840.0.4a462d8f945534852296a085e81d8cd928423b55.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Tucson AZ
AWIPS ID
CAPTWC
NWWS sequence
nwws_processor.103
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWTWC
WMOidentifierWGUS55 KTWC 161806
flashFloodDetectionRADAR INDICATED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KTWC.FF.W.0217.260916T1806Z-260916T2100Z/
eventEndingTime2026-09-16T14:00:00-07:00
BLOCKCHANNELCMAS
Locations

Location data

  • Pima County, AZ
NameValue
SAME004019
UGCAZC019
Polygons
32.34,-111.78 32.31,-111.82 32.21,-111.8 32.16,-111.77 32.09,-111.7 32.07,-111.65 32.04,-111.6 32.01,-111.56 32.06,-111.44 32.14,-111.53 32.28,-111.6 32.32,-111.66 32.41,-111.75 32.34,-111.78